<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>

  <input type="text" v-model="num" placeholder="请输入1-100之间的整数" >
  <input type="button" value="猜一猜" @click="f()">
  <h1>{{info}}</h1>
</div>
<script src="js/vue.min.js"></script>
<script>
  let x=parseInt(Math.random()*100)+1;
  let v=new Vue({
    el:"body>div",
    data:{
        info:"",num:""
    },
      methods: {
          f() {
              if (v.num > x) {
                  v.info="猜大了";
              } else if (v.num < x) {
                  v.info="猜小了";
              } else {
                  v.info="恭喜你猜中了"
              }
          }
      }
  })
</script>
</body>
</html>